a2apay

{
  "name": "a2apay",
  "description": "Pay-per-call AI query and persistent memory for autonomous agents. No account, no API key, no signup \u2014 the free tier works immediately, paid calls settle via x402 (USDC on Base).",
  "version": "1.0.0",
  "provider": {
    "organization": "a2apay",
    "url": "https://a2apay.io"
  },
  "documentationUrl": "https://a2apay.io/openapi.yaml",
  "iconUrl": "https://a2apay.io/icon.png",
  "supportedInterfaces": [
    {
      "url": "https://a2apay.io",
      "protocolBinding": "HTTP+JSON",
      "protocolVersion": "1.0"
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "ai-query",
      "name": "AI Query",
      "description": "Submit a prompt, get a real AI-generated answer. First 5 calls/day per caller are free; after that, settles via x402 (exact scheme, USDC on Base, $0.028/call) before the handler runs.",
      "tags": [
        "ai",
        "llm",
        "x402",
        "payment-required",
        "icp"
      ],
      "examples": [
        "What's 7 times 8?"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "memory-write",
      "name": "Persistent Memory Write",
      "description": "Store a flat key/value record (text, with optional tags) in ICP-backed persistent memory. Same free-tier-then-x402-payment behavior as AI Query. Write-only today \u2014 no read-back route yet.",
      "tags": [
        "memory",
        "storage",
        "x402",
        "payment-required",
        "icp"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ]
}